Diverse group of men modeling ALPHX men's underwear in various colors and fits—boxer briefs, trunks, and briefs—highlighting inclusive sizing, modern design, and premium comfort.

Shop All ALPHX Styles – Modern, Comfortable Men's Underwear & More

The Perfect Fit: ALPHX Underwear Tailored for Comfort

Discover men's underwear and loungewear designed for real bodies — Modern Fit for slim to average thighs and Athletic Fit for muscular legs.

🧍‍♂️ Two Fit Options
Choose between Modern and Athletic leg widths for a tailored, no-pinch fit.
🩲 Premium Comfort
Breathable cotton-modal fabric with just the right amount of stretch.
🌱 Eco-Friendly
Minimal, biodegradable packaging + carbon-offset shipping.

🚚 Free U.S. Shipping on orders over $75

Minimal packaging. Maximum comfort. Better for the planet.

Sign up & get 20% off your first order
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FAQs ALPHX underwear

What makes ALPHX underwear different?

ALPHX underwear is engineered for the perfect fit, offering two exclusive leg widths—Modern for slim to average thighs and Athletic for muscular legs. Allowing you to pair your waist size with your leg fit creates a more personal fit and therefore a better fit. This ensures superior comfort without compromise.

What styles of underwear does ALPHX offer?

We offer premium briefs, trunks, boxer briefs, and lounge pants, all crafted from a soft, breathable, and eco-friendly blend of cotton and modal for all-day comfort.

Does ALPHX use sustainable materials?

Absolutely. ALPHX underwear is crafted with a blend of 94% plant-based fibers, and we ship in minimal, biodegradable packaging to reduce waste.

Do you offer free shipping?

Yes! We offer free U.S. shipping on all orders above $75.00 and we ship for $5.00 on orders below $75 so you can enjoy premium comfort without a lot of extra costs.

Can I get a discount on my first order?

Yes! New customers who sign up to receive our newsletter will receive 20% off their first order—We promise not to inundate your inbox and you can cancel at any time.